FSB523070-7402
FSB523070-7402
Standard
7" Paper Cone Woofer

FSB523070-7402

Feature
7", Steel Frame
1.0" PESVW Voice Coil, Polyimide Former
Paper Cone, Cloth Surround
Ferrite Magnet Motor System
Size
7 Inch
Fs
65 Hz
Re
4 Ohms
Sensitivity
91 dB
Quality Factor
0.81 Qts
Rated Power
5 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This is a 7 inch 4 ohm driver, it is a Woofer features 1.2 inch voice coil with PESVW. In term of suspension system, cone is consisted by Paper Cone body with Cloth surround and spider is consisted by NC. In term of magnet motor system, magnet is consisted by Ferrite material. It can be used on HIFI audio.

Family
Range

T-S Parameters
Resonance frequency [fs] 65.7 Hz
Mechanical Q factor [Qms] 16.2
Electrical Q factor [Qes] 0.85
Total Q factor [Qts]  0.81
Force factor [Bl] 5.2 Tm
Mechanical resistance [Rms] 0.39 kg/s
Moving mass [Mms]  15.4 g
Compliance [Cms] 0.38 mm/N
Effective diaph. diameter [D]  144 mm
Effective piston area [Sd] 162.8 cm²
Equivalent volume [Vas] 14.24 l
Sensitivity (2.83V/1m)  91 dB
Ratio Bl/√Re 2.74 N/√W
Ratio fs/Qts 81.1 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.9 Ω
Maximum impedance [Zo] 35 Ω
DC resistance [Re] 3.6 Ω
Voice coil inductance [Le]  0.35 mH
Power Handling
100h RMS noise test (IEC 18.4) 5 W
Long-term max power (IEC 18.2) 60 W
Voice Coil & Magnet Data
Voice coil diameter 25.4 mm
Voice coil height 9.3 mm
Voice coil layers 2
Height of gap 5 mm
Linear excursion ± 2.15 mm
Max mech. excursion ± - mm
Unit weight 1.1 kg

 

FSB523070-7402

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